Golf ball retriever



FIG. 1 is a top-front perspective view of golf ball retriever;

FIG. 2 is a top view;

FIG. 3 is a bottom view;

FIG. 4 is a front view;

FIG. 5 is a side view; and,

FIG. 6 is a rear view. 

The ornamental design for a golf ball retriever, as shown. 